Fixed two typo's in commit 615fd498bc
[oweals/minetest.git] / src / main.cpp
index 0c936ab63396936e7fc9531d8d630facb915ea98..ede9f63b06477308d091263809190ade2e934259 100644 (file)
@@ -3,16 +3,16 @@ Minetest-c55
 Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
 
 This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
 (at your option) any later version.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+GNU Lesser General Public License for more details.
 
-You should have received a copy of the GNU General Public License along
+You should have received a copy of the GNU Lesser General Public License along
 with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
@@ -47,7 +47,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include <iostream>
 #include <fstream>
 #include <locale.h>
-#include "common_irrlicht.h"
+#include "irrlichttypes_extrabloated.h"
 #include "debug.h"
 #include "test.h"
 #include "server.h"
@@ -68,6 +68,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "profiler.h"
 #include "log.h"
 #include "mods.h"
+#include "util/string.h"
+#include "subgame.h"
+#include "quicktune.h"
 
 /*
        Settings.
@@ -87,8 +90,6 @@ Profiler *g_profiler = &main_profiler;
 // Connection
 std::ostream *dout_con_ptr = &dummyout;
 std::ostream *derr_con_ptr = &verbosestream;
-//std::ostream *dout_con_ptr = &infostream;
-//std::ostream *derr_con_ptr = &errorstream;
 
 // Server
 std::ostream *dout_server_ptr = &infostream;
@@ -738,8 +739,24 @@ void SpeedTests()
        }
 }
 
+static void print_worldspecs(const std::vector<WorldSpec> &worldspecs,
+               std::ostream &os)
+{
+       for(u32 i=0; i<worldspecs.size(); i++){
+               std::string name = worldspecs[i].name;
+               std::string path = worldspecs[i].path;
+               if(name.find(" ") != std::string::npos)
+                       name = std::string("'") + name + "'";
+               path = std::string("'") + path + "'";
+               name = padStringRight(name, 14);
+               os<<"  "<<name<<" "<<path<<std::endl;
+       }
+}
+
 int main(int argc, char *argv[])
 {
+       int retval = 0;
+
        /*
                Initialization
        */
@@ -761,58 +778,70 @@ int main(int argc, char *argv[])
        // List all allowed options
        core::map<std::string, ValueSpec> allowed_options;
        allowed_options.insert("help", ValueSpec(VALUETYPE_FLAG,
-                       "Show allowed options"));
+                       _("Show allowed options")));
        allowed_options.insert("config", ValueSpec(VALUETYPE_STRING,
-                       "Load configuration from specified file"));
+                       _("Load configuration from specified file")));
        allowed_options.insert("port", ValueSpec(VALUETYPE_STRING,
-                       "Set network port (UDP) to use"));
+                       _("Set network port (UDP)")));
        allowed_options.insert("disable-unittests", ValueSpec(VALUETYPE_FLAG,
-                       "Disable unit tests"));
+                       _("Disable unit tests")));
        allowed_options.insert("enable-unittests", ValueSpec(VALUETYPE_FLAG,
-                       "Enable unit tests"));
+                       _("Enable unit tests")));
        allowed_options.insert("map-dir", ValueSpec(VALUETYPE_STRING,
-                       "Map directory (where everything in the world is stored)"));
-       allowed_options.insert("info-on-stderr", ValueSpec(VALUETYPE_FLAG,
-                       "Print more information to console (deprecated; use --verbose)"));
+                       _("Same as --world (deprecated)")));
+       allowed_options.insert("world", ValueSpec(VALUETYPE_STRING,
+                       _("Set world path (implies local game) ('list' lists all)")));
+       allowed_options.insert("worldname", ValueSpec(VALUETYPE_STRING,
+                       _("Set world by name (implies local game)")));
+       allowed_options.insert("info", ValueSpec(VALUETYPE_FLAG,
+                       _("Print more information to console")));
        allowed_options.insert("verbose", ValueSpec(VALUETYPE_FLAG,
-                       "Print more information to console"));
+                       _("Print even more information to console")));
+       allowed_options.insert("trace", ValueSpec(VALUETYPE_FLAG,
+                       _("Print enormous amounts of information to log and console")));
+       allowed_options.insert("logfile", ValueSpec(VALUETYPE_STRING,
+                       _("Set logfile path ('' = no logging)")));
+       allowed_options.insert("gameid", ValueSpec(VALUETYPE_STRING,
+                       _("Set gameid (\"--gameid list\" prints available ones)")));
 #ifndef SERVER
        allowed_options.insert("speedtests", ValueSpec(VALUETYPE_FLAG,
-                       "Run speed tests"));
+                       _("Run speed tests")));
        allowed_options.insert("address", ValueSpec(VALUETYPE_STRING,
-                       "Address to connect to"));
+                       _("Address to connect to. ('' = local game)")));
        allowed_options.insert("random-input", ValueSpec(VALUETYPE_FLAG,
-                       "Enable random user input, for testing"));
+                       _("Enable random user input, for testing")));
        allowed_options.insert("server", ValueSpec(VALUETYPE_FLAG,
-                       "Run server directly"));
+                       _("Run dedicated server")));
+       allowed_options.insert("name", ValueSpec(VALUETYPE_STRING,
+                       _("Set player name")));
+       allowed_options.insert("password", ValueSpec(VALUETYPE_STRING,
+                       _("Set password")));
+       allowed_options.insert("go", ValueSpec(VALUETYPE_FLAG,
+                       _("Disable main menu")));
 #endif
 
        Settings cmd_args;
        
        bool ret = cmd_args.parseCommandLine(argc, argv, allowed_options);
 
-       if(ret == false || cmd_args.getFlag("help"))
+       if(ret == false || cmd_args.getFlag("help") || cmd_args.exists("nonopt1"))
        {
-               dstream<<"Allowed options:"<<std::endl;
+               dstream<<_("Allowed options:")<<std::endl;
                for(core::map<std::string, ValueSpec>::Iterator
                                i = allowed_options.getIterator();
                                i.atEnd() == false; i++)
                {
-                       dstream<<"  --"<<i.getNode()->getKey();
+                       std::ostringstream os1(std::ios::binary);
+                       os1<<"  --"<<i.getNode()->getKey();
                        if(i.getNode()->getValue().type == VALUETYPE_FLAG)
-                       {
-                       }
+                               {}
                        else
-                       {
-                               dstream<<" <value>";
-                       }
-                       dstream<<std::endl;
+                               os1<<_(" <value>");
+                       dstream<<padStringRight(os1.str(), 24);
 
                        if(i.getNode()->getValue().help != NULL)
-                       {
-                               dstream<<"      "<<i.getNode()->getValue().help
-                                               <<std::endl;
-                       }
+                               dstream<<i.getNode()->getValue().help;
+                       dstream<<std::endl;
                }
 
                return cmd_args.getFlag("help") ? 0 : 1;
@@ -821,11 +850,21 @@ int main(int argc, char *argv[])
        /*
                Low-level initialization
        */
-
-       if(cmd_args.getFlag("verbose") ||
-                       cmd_args.getFlag("info-on-stderr") ||
-                       cmd_args.getFlag("speedtests"))
+       
+       // If trace is enabled, enable logging of certain things
+       if(cmd_args.getFlag("trace")){
+               dstream<<_("Enabling trace level debug output")<<std::endl;
+               log_trace_level_enabled = true;
+               dout_con_ptr = &verbosestream; // this is somewhat old crap
+               socket_enable_debug_output = true; // socket doesn't use log.h
+       }
+       // In certain cases, output info level on stderr
+       if(cmd_args.getFlag("info") || cmd_args.getFlag("verbose") ||
+                       cmd_args.getFlag("trace") || cmd_args.getFlag("speedtests"))
                log_add_output(&main_stderr_log_out, LMT_INFO);
+       // In certain cases, output verbose level on stderr
+       if(cmd_args.getFlag("verbose") || cmd_args.getFlag("trace"))
+               log_add_output(&main_stderr_log_out, LMT_VERBOSE);
 
        porting::signal_handler_init();
        bool &kill = *porting::signal_handler_killstatus();
@@ -838,27 +877,51 @@ int main(int argc, char *argv[])
        init_gettext((porting::path_share+DIR_DELIM+".."+DIR_DELIM+"locale").c_str());
        
        // Initialize debug streams
-#ifdef RUN_IN_PLACE
-       std::string debugfile = DEBUGFILE;
+#define DEBUGFILE "debug.txt"
+#if RUN_IN_PLACE
+       std::string logfile = DEBUGFILE;
 #else
-       std::string debugfile = porting::path_user+DIR_DELIM+DEBUGFILE;
+       std::string logfile = porting::path_user+DIR_DELIM+DEBUGFILE;
 #endif
-       bool disable_stderr = false;
-       debugstreams_init(disable_stderr, debugfile.c_str());
+       if(cmd_args.exists("logfile"))
+               logfile = cmd_args.get("logfile");
+       if(logfile != "")
+               debugstreams_init(false, logfile.c_str());
+       else
+               debugstreams_init(false, NULL);
+
+       infostream<<"logfile    = "<<logfile<<std::endl;
+       infostream<<"path_share = "<<porting::path_share<<std::endl;
+       infostream<<"path_user  = "<<porting::path_user<<std::endl;
+
        // Initialize debug stacks
        debug_stacks_init();
-
        DSTACK(__FUNCTION_NAME);
 
-       dstream<<"path_share = "<<porting::path_share<<std::endl;
-       dstream<<"path_user  = "<<porting::path_user<<std::endl;
-
        // Debug handler
        BEGIN_DEBUG_EXCEPTION_HANDLER
-
+       
+       // List gameids if requested
+       if(cmd_args.exists("gameid") && cmd_args.get("gameid") == "list")
+       {
+               std::set<std::string> gameids = getAvailableGameIds();
+               for(std::set<std::string>::const_iterator i = gameids.begin();
+                               i != gameids.end(); i++)
+                       dstream<<(*i)<<std::endl;
+               return 0;
+       }
+       
+       // List worlds if requested
+       if(cmd_args.exists("world") && cmd_args.get("world") == "list"){
+               dstream<<_("Available worlds:")<<std::endl;
+               std::vector<WorldSpec> worldspecs = getAvailableWorlds();
+               print_worldspecs(worldspecs, dstream);
+               return 0;
+       }
+       
        // Print startup message
-       actionstream<<PROJECT_NAME<<
-                       " with SER_FMT_VER_HIGHEST="<<(int)SER_FMT_VER_HIGHEST
+       infostream<<PROJECT_NAME<<
+                       " "<<_("with")<<" SER_FMT_VER_HIGHEST="<<(int)SER_FMT_VER_HIGHEST
                        <<", "<<BUILD_INFO
                        <<std::endl;
        
@@ -899,7 +962,7 @@ int main(int argc, char *argv[])
                // Legacy configuration file location
                filenames.push_back(porting::path_user +
                                DIR_DELIM + ".." + DIR_DELIM + "minetest.conf");
-#ifdef RUN_IN_PLACE
+#if RUN_IN_PLACE
                // Try also from a lower level (to aid having the same configuration
                // for many RUN_IN_PLACE installs)
                filenames.push_back(porting::path_user +
@@ -948,25 +1011,73 @@ int main(int argc, char *argv[])
        if(port == 0)
                port = 30000;
        
-       // Map directory
-       std::string map_dir = porting::path_user + DIR_DELIM + "server" + DIR_DELIM + "worlds" + DIR_DELIM + "world";
-       if(cmd_args.exists("map-dir"))
-               map_dir = cmd_args.get("map-dir");
+       // World directory
+       std::string commanded_world = "";
+       if(cmd_args.exists("world"))
+               commanded_world = cmd_args.get("world");
+       else if(cmd_args.exists("map-dir"))
+               commanded_world = cmd_args.get("map-dir");
+       else if(cmd_args.exists("nonopt0")) // First nameless argument
+               commanded_world = cmd_args.get("nonopt0");
        else if(g_settings->exists("map-dir"))
-               map_dir = g_settings->get("map-dir");
-       else{
-               // No map-dir option was specified.
-               // Check if the world is found from the default directory, and if
-               // not, see if the legacy world directory exists.
-               std::string legacy_map_dir = porting::path_user+DIR_DELIM+".."+DIR_DELIM+"world";
-               if(!fs::PathExists(map_dir) && fs::PathExists(legacy_map_dir)){
-                       errorstream<<"Warning: Using legacy world directory \""
-                                       <<legacy_map_dir<<"\""<<std::endl;
-                       map_dir = legacy_map_dir;
+               commanded_world = g_settings->get("map-dir");
+       
+       // World name
+       std::string commanded_worldname = "";
+       if(cmd_args.exists("worldname"))
+               commanded_worldname = cmd_args.get("worldname");
+       
+       // Strip world.mt from commanded_world
+       {
+               std::string worldmt = "world.mt";
+               if(commanded_world.size() > worldmt.size() &&
+                               commanded_world.substr(commanded_world.size()-worldmt.size())
+                               == worldmt){
+                       dstream<<_("Supplied world.mt file - stripping it off.")<<std::endl;
+                       commanded_world = commanded_world.substr(
+                                       0, commanded_world.size()-worldmt.size());
+               }
+       }
+       
+       // If a world name was specified, convert it to a path
+       if(commanded_worldname != ""){
+               // Get information about available worlds
+               std::vector<WorldSpec> worldspecs = getAvailableWorlds();
+               bool found = false;
+               for(u32 i=0; i<worldspecs.size(); i++){
+                       std::string name = worldspecs[i].name;
+                       if(name == commanded_worldname){
+                               if(commanded_world != ""){
+                                       dstream<<_("--worldname takes precedence over previously "
+                                                       "selected world.")<<std::endl;
+                               }
+                               commanded_world = worldspecs[i].path;
+                               found = true;
+                               break;
+                       }
+               }
+               if(!found){
+                       dstream<<_("World")<<" '"<<commanded_worldname<<_("' not "
+                                       "available. Available worlds:")<<std::endl;
+                       print_worldspecs(worldspecs, dstream);
+                       return 1;
+               }
+       }
+
+       // Gamespec
+       SubgameSpec commanded_gamespec;
+       if(cmd_args.exists("gameid")){
+               std::string gameid = cmd_args.get("gameid");
+               commanded_gamespec = findSubgame(gameid);
+               if(!commanded_gamespec.isValid()){
+                       errorstream<<"Game \""<<gameid<<"\" not found"<<std::endl;
+                       return 1;
                }
        }
 
-       // Run dedicated server if asked to or no other option
+       /*
+               Run dedicated server if asked to or no other option
+       */
 #ifdef SERVER
        bool run_dedicated_server = true;
 #else
@@ -975,14 +1086,116 @@ int main(int argc, char *argv[])
        if(run_dedicated_server)
        {
                DSTACK("Dedicated server branch");
-
                // Create time getter if built with Irrlicht
 #ifndef SERVER
                g_timegetter = new SimpleTimeGetter();
 #endif
-               
+
+               // World directory
+               std::string world_path;
+               verbosestream<<_("Determining world path")<<std::endl;
+               bool is_legacy_world = false;
+               // If a world was commanded, use it
+               if(commanded_world != ""){
+                       world_path = commanded_world;
+                       infostream<<"Using commanded world path ["<<world_path<<"]"
+                                       <<std::endl;
+               }
+               // No world was specified; try to select it automatically
+               else
+               {
+                       // Get information about available worlds
+                       std::vector<WorldSpec> worldspecs = getAvailableWorlds();
+                       // If a world name was specified, select it
+                       if(commanded_worldname != ""){
+                               world_path = "";
+                               for(u32 i=0; i<worldspecs.size(); i++){
+                                       std::string name = worldspecs[i].name;
+                                       if(name == commanded_worldname){
+                                               world_path = worldspecs[i].path;
+                                               break;
+                                       }
+                               }
+                               if(world_path == ""){
+                                       dstream<<_("World")<<" '"<<commanded_worldname<<"' "<<_("not "
+                                                       "available. Available worlds:")<<std::endl;
+                                       print_worldspecs(worldspecs, dstream);
+                                       return 1;
+                               }
+                       }
+                       // If there is only a single world, use it
+                       if(worldspecs.size() == 1){
+                               world_path = worldspecs[0].path;
+                               dstream<<_("Automatically selecting world at")<<" ["
+                                               <<world_path<<"]"<<std::endl;
+                       // If there are multiple worlds, list them
+                       } else if(worldspecs.size() > 1){
+                               dstream<<_("Multiple worlds are available.")<<std::endl;
+                               dstream<<_("Please select one using --worldname <name>"
+                                               " or --world <path>")<<std::endl;
+                               print_worldspecs(worldspecs, dstream);
+                               return 1;
+                       // If there are no worlds, automatically create a new one
+                       } else {
+                               // This is the ultimate default world path
+                               world_path = porting::path_user + DIR_DELIM + "worlds" +
+                                               DIR_DELIM + "world";
+                               infostream<<"Creating default world at ["
+                                               <<world_path<<"]"<<std::endl;
+                       }
+               }
+
+               if(world_path == ""){
+                       errorstream<<"No world path specified or found."<<std::endl;
+                       return 1;
+               }
+               verbosestream<<_("Using world path")<<" ["<<world_path<<"]"<<std::endl;
+
+               // We need a gamespec.
+               SubgameSpec gamespec;
+               verbosestream<<_("Determining gameid/gamespec")<<std::endl;
+               // If world doesn't exist
+               if(!getWorldExists(world_path))
+               {
+                       // Try to take gamespec from command line
+                       if(commanded_gamespec.isValid()){
+                               gamespec = commanded_gamespec;
+                               infostream<<"Using commanded gameid ["<<gamespec.id<<"]"<<std::endl;
+                       }
+                       // Otherwise we will be using "minetest"
+                       else{
+                               gamespec = findSubgame(g_settings->get("default_game"));
+                               infostream<<"Using default gameid ["<<gamespec.id<<"]"<<std::endl;
+                       }
+               }
+               // World exists
+               else
+               {
+                       std::string world_gameid = getWorldGameId(world_path, is_legacy_world);
+                       // If commanded to use a gameid, do so
+                       if(commanded_gamespec.isValid()){
+                               gamespec = commanded_gamespec;
+                               if(commanded_gamespec.id != world_gameid){
+                                       errorstream<<"WARNING: Using commanded gameid ["
+                                                       <<gamespec.id<<"]"<<" instead of world gameid ["
+                                                       <<world_gameid<<"]"<<std::endl;
+                               }
+                       } else{
+                               // If world contains an embedded game, use it;
+                               // Otherwise find world from local system.
+                               gamespec = findWorldSubgame(world_path);
+                               infostream<<"Using world gameid ["<<gamespec.id<<"]"<<std::endl;
+                       }
+               }
+               if(!gamespec.isValid()){
+                       errorstream<<"Subgame ["<<gamespec.id<<"] could not be found."
+                                       <<std::endl;
+                       return 1;
+               }
+               verbosestream<<_("Using gameid")<<" ["<<gamespec.id<<"]"<<std::endl;
+
                // Create server
-               Server server(map_dir, configpath, "mesetint");
+               Server server(world_path, configpath, gamespec, false);
                server.start(port);
                
                // Run server
@@ -997,19 +1210,17 @@ int main(int argc, char *argv[])
                More parameters
        */
        
-       // Address to connect to
-       std::string address = "";
-       
-       if(cmd_args.exists("address"))
-       {
+       std::string address = g_settings->get("address");
+       if(commanded_world != "")
+               address = "";
+       else if(cmd_args.exists("address"))
                address = cmd_args.get("address");
-       }
-       else
-       {
-               address = g_settings->get("address");
-       }
        
        std::string playername = g_settings->get("name");
+       if(cmd_args.exists("name"))
+               playername = cmd_args.get("name");
+       
+       bool skip_main_menu = cmd_args.getFlag("go");
 
        /*
                Device initialization
@@ -1017,10 +1228,16 @@ int main(int argc, char *argv[])
 
        // Resolution selection
        
-       bool fullscreen = false;
+       bool fullscreen = g_settings->getBool("fullscreen");
        u16 screenW = g_settings->getU16("screenW");
        u16 screenH = g_settings->getU16("screenH");
 
+       // bpp, fsaa, vsync
+
+       bool vsync = g_settings->getBool("vsync");
+       u16 bits = g_settings->getU16("fullscreen_bpp");
+       u16 fsaa = g_settings->getU16("fsaa");
+
        // Determine driver
 
        video::E_DRIVER_TYPE driverType;
@@ -1053,9 +1270,18 @@ int main(int argc, char *argv[])
        MyEventReceiver receiver;
 
        IrrlichtDevice *device;
-       device = createDevice(driverType,
-                       core::dimension2d<u32>(screenW, screenH),
-                       16, fullscreen, false, false, &receiver);
+
+       SIrrlichtCreationParameters params = SIrrlichtCreationParameters();
+       params.DriverType    = driverType;
+       params.WindowSize    = core::dimension2d<u32>(screenW, screenH);
+       params.Bits          = bits;
+       params.AntiAlias     = fsaa;
+       params.Fullscreen    = fullscreen;
+       params.Stencilbuffer = false;
+       params.Vsync         = vsync;
+       params.EventReceiver = &receiver;
+
+       device = createDeviceEx(params);
 
        if (device == 0)
                return 1; // could not create selected driver.
@@ -1066,18 +1292,12 @@ int main(int argc, char *argv[])
 
        video::IVideoDriver* driver = device->getVideoDriver();
 
-       // Disable mipmaps (because some of them look ugly)
-       driver->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, false);
-
        /*
                This changes the minimum allowed number of vertices in a VBO.
                Default is 500.
        */
        //driver->setMinHardwareBufferVertexCount(50);
 
-       // Set the window caption
-       device->setWindowCaption(L"Minetest [Main Menu]");
-       
        // Create time getter
        g_timegetter = new IrrlichtTimeGetter(device);
        
@@ -1127,7 +1347,15 @@ int main(int argc, char *argv[])
        //skin->setColor(gui::EGDC_3D_SHADOW, video::SColor(0,0,0,0));
        skin->setColor(gui::EGDC_3D_HIGH_LIGHT, video::SColor(255,0,0,0));
        skin->setColor(gui::EGDC_3D_SHADOW, video::SColor(255,0,0,0));
-       
+       skin->setColor(gui::EGDC_HIGH_LIGHT, video::SColor(255,70,100,50));
+       skin->setColor(gui::EGDC_HIGH_LIGHT_TEXT, video::SColor(255,255,255,255));
+
+#if (IRRLICHT_VERSION_MAJOR >= 1 && IRRLICHT_VERSION_MINOR >= 8) || IRRLICHT_VERSION_MAJOR >= 2
+       // Irrlicht 1.8 input colours
+       skin->setColor(gui::EGDC_EDITABLE, video::SColor(255,128,128,128));
+       skin->setColor(gui::EGDC_FOCUSED_EDITABLE, video::SColor(255,96,134,49));
+#endif
+
        /*
                GUI stuff
        */
@@ -1144,11 +1372,15 @@ int main(int argc, char *argv[])
        // The password entered during the menu screen,
        std::string password;
 
+       bool first_loop = true;
+
        /*
                Menu-game loop
        */
        while(device->run() && kill == false)
        {
+               // Set the window caption
+               device->setWindowCaption((std::wstring(L"Minetest [")+wgettext("Main Menu")+L"]").c_str());
 
                // This is used for catching disconnects
                try
@@ -1167,6 +1399,16 @@ int main(int argc, char *argv[])
                        guiroot = guienv->addStaticText(L"",
                                        core::rect<s32>(0, 0, 10000, 10000));
                        
+                       SubgameSpec gamespec;
+                       WorldSpec worldspec;
+                       bool simple_singleplayer_mode = false;
+
+                       // These are set up based on the menu and other things
+                       std::string current_playername = "inv£lid";
+                       std::string current_password = "";
+                       std::string current_address = "does-not-exist";
+                       int current_port = 0;
+
                        /*
                                Out-of-game menu loop.
 
@@ -1174,127 +1416,250 @@ int main(int argc, char *argv[])
                        */
                        while(kill == false)
                        {
+                               // If skip_main_menu, only go through here once
+                               if(skip_main_menu && !first_loop){
+                                       kill = true;
+                                       break;
+                               }
+                               first_loop = false;
+                               
                                // Cursor can be non-visible when coming from the game
                                device->getCursorControl()->setVisible(true);
                                // Some stuff are left to scene manager when coming from the game
                                // (map at least?)
                                smgr->clear();
-                               // Reset or hide the debug gui texts
-                               /*guitext->setText(L"Minetest-c55");
-                               guitext2->setVisible(false);
-                               guitext_info->setVisible(false);
-                               guitext_chat->setVisible(false);*/
                                
                                // Initialize menu data
                                MainMenuData menudata;
+                               if(g_settings->exists("selected_mainmenu_tab"))
+                                       menudata.selected_tab = g_settings->getS32("selected_mainmenu_tab");
                                menudata.address = narrow_to_wide(address);
                                menudata.name = narrow_to_wide(playername);
                                menudata.port = narrow_to_wide(itos(port));
+                               if(cmd_args.exists("password"))
+                                       menudata.password = narrow_to_wide(cmd_args.get("password"));
                                menudata.fancy_trees = g_settings->getBool("new_style_leaves");
                                menudata.smooth_lighting = g_settings->getBool("smooth_lighting");
                                menudata.clouds_3d = g_settings->getBool("enable_3d_clouds");
                                menudata.opaque_water = g_settings->getBool("opaque_water");
+                               menudata.mip_map = g_settings->getBool("mip_map");
+                               menudata.anisotropic_filter = g_settings->getBool("anisotropic_filter");
+                               menudata.bilinear_filter = g_settings->getBool("bilinear_filter");
+                               menudata.trilinear_filter = g_settings->getBool("trilinear_filter");
+                               menudata.enable_shaders = g_settings->getS32("enable_shaders");
+                               menudata.preload_item_visuals = g_settings->getBool("preload_item_visuals");
+                               driver->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, menudata.mip_map);
                                menudata.creative_mode = g_settings->getBool("creative_mode");
                                menudata.enable_damage = g_settings->getBool("enable_damage");
-
-                               GUIMainMenu *menu =
-                                               new GUIMainMenu(guienv, guiroot, -1, 
-                                                       &g_menumgr, &menudata, g_gamecallback);
-                               menu->allowFocusRemoval(true);
-
-                               if(error_message != L"")
-                               {
-                                       errorstream<<"error_message = "
-                                                       <<wide_to_narrow(error_message)<<std::endl;
-
-                                       GUIMessageMenu *menu2 =
-                                                       new GUIMessageMenu(guienv, guiroot, -1, 
-                                                               &g_menumgr, error_message.c_str());
-                                       menu2->drop();
-                                       error_message = L"";
+                               // Default to selecting nothing
+                               menudata.selected_world = -1;
+                               // Get world listing for the menu
+                               std::vector<WorldSpec> worldspecs = getAvailableWorlds();
+                               // If there is only one world, select it
+                               if(worldspecs.size() == 1){
+                                       menudata.selected_world = 0;
                                }
+                               // Otherwise try to select according to selected_world_path
+                               else if(g_settings->exists("selected_world_path")){
+                                       std::string trypath = g_settings->get("selected_world_path");
+                                       for(u32 i=0; i<worldspecs.size(); i++){
+                                               if(worldspecs[i].path == trypath){
+                                                       menudata.selected_world = i;
+                                                       break;
+                                               }
+                                       }
+                               }
+                               // If a world was commanded, append and select it
+                               if(commanded_world != ""){
+                                       std::string gameid = getWorldGameId(commanded_world, true);
+                                       std::string name = _("[--world parameter]");
+                                       if(gameid == ""){
+                                               gameid = g_settings->get("default_game");
+                                               name += " [new]";
+                                       }
+                                       WorldSpec spec(commanded_world, name, gameid);
+                                       worldspecs.push_back(spec);
+                                       menudata.selected_world = worldspecs.size()-1;
+                               }
+                               // Copy worldspecs to menu
+                               menudata.worlds = worldspecs;
 
-                               video::IVideoDriver* driver = device->getVideoDriver();
-                               
-                               infostream<<"Created main menu"<<std::endl;
-
-                               while(device->run() && kill == false)
+                               if(skip_main_menu == false)
                                {
-                                       if(menu->getStatus() == true)
-                                               break;
-
-                                       //driver->beginScene(true, true, video::SColor(255,0,0,0));
-                                       driver->beginScene(true, true, video::SColor(255,128,128,128));
-
-                                       drawMenuBackground(driver);
-
-                                       guienv->drawAll();
+                                       video::IVideoDriver* driver = device->getVideoDriver();
                                        
-                                       driver->endScene();
+                                       infostream<<"Waiting for other menus"<<std::endl;
+                                       while(device->run() && kill == false)
+                                       {
+                                               if(noMenuActive())
+                                                       break;
+                                               driver->beginScene(true, true,
+                                                               video::SColor(255,128,128,128));
+                                               drawMenuBackground(driver);
+                                               guienv->drawAll();
+                                               driver->endScene();
+                                               // On some computers framerate doesn't seem to be
+                                               // automatically limited
+                                               sleep_ms(25);
+                                       }
+                                       infostream<<"Waited for other menus"<<std::endl;
+
+                                       GUIMainMenu *menu =
+                                                       new GUIMainMenu(guienv, guiroot, -1, 
+                                                               &g_menumgr, &menudata, g_gamecallback);
+                                       menu->allowFocusRemoval(true);
+
+                                       if(error_message != L"")
+                                       {
+                                               verbosestream<<"error_message = "
+                                                               <<wide_to_narrow(error_message)<<std::endl;
+
+                                               GUIMessageMenu *menu2 =
+                                                               new GUIMessageMenu(guienv, guiroot, -1, 
+                                                                       &g_menumgr, error_message.c_str());
+                                               menu2->drop();
+                                               error_message = L"";
+                                       }
+
+                                       infostream<<"Created main menu"<<std::endl;
+
+                                       while(device->run() && kill == false)
+                                       {
+                                               if(menu->getStatus() == true)
+                                                       break;
+
+                                               //driver->beginScene(true, true, video::SColor(255,0,0,0));
+                                               driver->beginScene(true, true, video::SColor(255,128,128,128));
+
+                                               drawMenuBackground(driver);
+
+                                               guienv->drawAll();
+                                               
+                                               driver->endScene();
+                                               
+                                               // On some computers framerate doesn't seem to be
+                                               // automatically limited
+                                               sleep_ms(25);
+                                       }
                                        
-                                       // On some computers framerate doesn't seem to be
-                                       // automatically limited
-                                       sleep_ms(25);
-                               }
-                               
-                               // Break out of menu-game loop to shut down cleanly
-                               if(device->run() == false || kill == true)
-                                       break;
-                               
-                               infostream<<"Dropping main menu"<<std::endl;
+                                       infostream<<"Dropping main menu"<<std::endl;
 
-                               menu->drop();
-                               
-                               // Delete map if requested
-                               if(menudata.delete_map)
-                               {
-                                       bool r = fs::RecursiveDeleteContent(map_dir);
-                                       if(r == false)
-                                               error_message = L"Delete failed";
-                                       continue;
+                                       menu->drop();
                                }
 
                                playername = wide_to_narrow(menudata.name);
-
                                password = translatePassword(playername, menudata.password);
-
                                //infostream<<"Main: password hash: '"<<password<<"'"<<std::endl;
 
                                address = wide_to_narrow(menudata.address);
                                int newport = stoi(wide_to_narrow(menudata.port));
                                if(newport != 0)
                                        port = newport;
+                               simple_singleplayer_mode = menudata.simple_singleplayer_mode;
+                               // Save settings
+                               g_settings->setS32("selected_mainmenu_tab", menudata.selected_tab);
                                g_settings->set("new_style_leaves", itos(menudata.fancy_trees));
                                g_settings->set("smooth_lighting", itos(menudata.smooth_lighting));
                                g_settings->set("enable_3d_clouds", itos(menudata.clouds_3d));
                                g_settings->set("opaque_water", itos(menudata.opaque_water));
+
+                               g_settings->set("mip_map", itos(menudata.mip_map));
+                               g_settings->set("anisotropic_filter", itos(menudata.anisotropic_filter));
+                               g_settings->set("bilinear_filter", itos(menudata.bilinear_filter));
+                               g_settings->set("trilinear_filter", itos(menudata.trilinear_filter));
+
+                               g_settings->setS32("enable_shaders", menudata.enable_shaders);
+                               g_settings->set("preload_item_visuals", itos(menudata.preload_item_visuals));
+
                                g_settings->set("creative_mode", itos(menudata.creative_mode));
                                g_settings->set("enable_damage", itos(menudata.enable_damage));
+                               g_settings->set("name", playername);
+                               g_settings->set("address", address);
+                               g_settings->set("port", itos(port));
+                               if(menudata.selected_world != -1)
+                                       g_settings->set("selected_world_path",
+                                                       worldspecs[menudata.selected_world].path);
                                
-                               // NOTE: These are now checked server side; no need to do it
-                               //       here, so let's not do it here.
-                               /*// Check for valid parameters, restart menu if invalid.
-                               if(playername == "")
-                               {
-                                       error_message = L"Name required.";
+                               // Break out of menu-game loop to shut down cleanly
+                               if(device->run() == false || kill == true)
+                                       break;
+                               
+                               current_playername = playername;
+                               current_password = password;
+                               current_address = address;
+                               current_port = port;
+
+                               // If using simple singleplayer mode, override
+                               if(simple_singleplayer_mode){
+                                       current_playername = "singleplayer";
+                                       current_password = "";
+                                       current_address = "";
+                                       current_port = 30011;
+                               }
+                               
+                               // Set world path to selected one
+                               if(menudata.selected_world != -1){
+                                       worldspec = worldspecs[menudata.selected_world];
+                                       infostream<<"Selected world: "<<worldspec.name
+                                                       <<" ["<<worldspec.path<<"]"<<std::endl;
+                               }
+
+                               // Only refresh if so requested
+                               if(menudata.only_refresh){
+                                       infostream<<"Refreshing menu"<<std::endl;
                                        continue;
                                }
-                               // Check that name has only valid chars
-                               if(string_allowed(playername, PLAYERNAME_ALLOWED_CHARS)==false)
+                               
+                               // Create new world if requested
+                               if(menudata.create_world_name != L"")
                                {
-                                       error_message = L"Characters allowed: "
-                                                       +narrow_to_wide(PLAYERNAME_ALLOWED_CHARS);
+                                       std::string path = porting::path_user + DIR_DELIM
+                                                       "worlds" + DIR_DELIM
+                                                       + wide_to_narrow(menudata.create_world_name);
+                                       // Create world if it doesn't exist
+                                       if(!initializeWorld(path, menudata.create_world_gameid)){
+                                               error_message = wgettext("Failed to initialize world");
+                                               errorstream<<wide_to_narrow(error_message)<<std::endl;
+                                               continue;
+                                       }
+                                       g_settings->set("selected_world_path", path);
                                        continue;
-                               }*/
+                               }
+
+                               // If local game
+                               if(current_address == "")
+                               {
+                                       if(menudata.selected_world == -1){
+                                               error_message = wgettext("No world selected and no address "
+                                                               "provided. Nothing to do.");
+                                               errorstream<<wide_to_narrow(error_message)<<std::endl;
+                                               continue;
+                                       }
+                                       // Load gamespec for required game
+                                       gamespec = findWorldSubgame(worldspec.path);
+                                       if(!gamespec.isValid() && !commanded_gamespec.isValid()){
+                                               error_message = wgettext("Could not find or load game \"")
+                                                               + narrow_to_wide(worldspec.gameid) + L"\"";
+                                               errorstream<<wide_to_narrow(error_message)<<std::endl;
+                                               continue;
+                                       }
+                                       if(commanded_gamespec.isValid() &&
+                                                       commanded_gamespec.id != worldspec.gameid){
+                                               errorstream<<"WARNING: Overriding gamespec from \""
+                                                               <<worldspec.gameid<<"\" to \""
+                                                               <<commanded_gamespec.id<<"\""<<std::endl;
+                                               gamespec = commanded_gamespec;
+                                       }
+
+                                       if(!gamespec.isValid()){
+                                               error_message = wgettext("Invalid gamespec.");
+                                               error_message += L" (world_gameid="
+                                                               +narrow_to_wide(worldspec.gameid)+L")";
+                                               errorstream<<wide_to_narrow(error_message)<<std::endl;
+                                               continue;
+                                       }
+                               }
 
-                               // Save settings
-                               g_settings->set("name", playername);
-                               g_settings->set("address", address);
-                               g_settings->set("port", itos(port));
-                               // Update configuration file
-                               if(configpath != "")
-                                       g_settings->updateConfigFile(configpath.c_str());
-                       
                                // Continue to game
                                break;
                        }
@@ -1302,7 +1667,7 @@ int main(int argc, char *argv[])
                        // Break out of menu-game loop to shut down cleanly
                        if(device->run() == false || kill == true)
                                break;
-                       
+
                        /*
                                Run game
                        */
@@ -1312,36 +1677,38 @@ int main(int argc, char *argv[])
                                input,
                                device,
                                font,
-                               map_dir,
-                               playername,
-                               password,
-                               address,
-                               port,
+                               worldspec.path,
+                               current_playername,
+                               current_password,
+                               current_address,
+                               current_port,
                                error_message,
                                configpath,
-                               chat_backend
+                               chat_backend,
+                               gamespec,
+                               simple_singleplayer_mode
                        );
 
                } //try
                catch(con::PeerNotFoundException &e)
                {
-                       errorstream<<"Connection error (timed out?)"<<std::endl;
-                       error_message = L"Connection error (timed out?)";
+                       error_message = wgettext("Connection error (timed out?)");
+                       errorstream<<wide_to_narrow(error_message)<<std::endl;
                }
-               catch(SocketException &e)
+               catch(ServerError &e)
                {
-                       errorstream<<"Socket error (port already in use?)"<<std::endl;
-                       error_message = L"Socket error (port already in use?)";
+                       error_message = narrow_to_wide(e.what());
+                       errorstream<<wide_to_narrow(error_message)<<std::endl;
                }
                catch(ModError &e)
                {
                        errorstream<<e.what()<<std::endl;
-                       error_message = narrow_to_wide(e.what()) + L"\nCheck debug.txt for details.";
+                       error_message = narrow_to_wide(e.what()) + wgettext("\nCheck debug.txt for details.");
                }
 #ifdef NDEBUG
                catch(std::exception &e)
                {
-                       std::string narrow_message = "Some exception, what()=\"";
+                       std::string narrow_message = "Some exception\"";
                        narrow_message += e.what();
                        narrow_message += "\"";
                        errorstream<<narrow_message<<std::endl;
@@ -1349,6 +1716,16 @@ int main(int argc, char *argv[])
                }
 #endif
 
+               // If no main menu, show error and exit
+               if(skip_main_menu)
+               {
+                       if(error_message != L""){
+                               verbosestream<<"error_message = "
+                                               <<wide_to_narrow(error_message)<<std::endl;
+                               retval = 1;
+                       }
+                       break;
+               }
        } // Menu-game loop
        
        delete input;
@@ -1363,12 +1740,28 @@ int main(int argc, char *argv[])
        // Update configuration file
        if(configpath != "")
                g_settings->updateConfigFile(configpath.c_str());
+       
+       // Print modified quicktune values
+       {
+               bool header_printed = false;
+               std::vector<std::string> names = getQuicktuneNames();
+               for(u32 i=0; i<names.size(); i++){
+                       QuicktuneValue val = getQuicktuneValue(names[i]);
+                       if(!val.modified)
+                               continue;
+                       if(!header_printed){
+                               dstream<<"Modified quicktune values:"<<std::endl;
+                               header_printed = true;
+                       }
+                       dstream<<names[i]<<" = "<<val.getString()<<std::endl;
+               }
+       }
 
        END_DEBUG_EXCEPTION_HANDLER(errorstream)
        
        debugstreams_deinit();
        
-       return 0;
+       return retval;
 }
 
 //END